CN202780495U - Lathe bed structure integrating spindle box, lathe bed, base and front and rear supports of screw rod - Google Patents
Lathe bed structure integrating spindle box, lathe bed, base and front and rear supports of screw rod Download PDFInfo
- Publication number
- CN202780495U CN202780495U CN 201220478268 CN201220478268U CN202780495U CN 202780495 U CN202780495 U CN 202780495U CN 201220478268 CN201220478268 CN 201220478268 CN 201220478268 U CN201220478268 U CN 201220478268U CN 202780495 U CN202780495 U CN 202780495U
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- China
- Prior art keywords
- lathe bed
- screw mandrel
- spindle box
- bearing
- rear support
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- Expired - Fee Related
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Abstract
The utility model discloses a lathe bed structure integrating a spindle box, a lathe bed, a base and front and rear supports of a screw rod, and relates to a lathe structure. The spindle box, the lathe bed, the base, the front support of the screw rod and the rear support of the screw rod of the lathe bed structure form an integrated entire structure; the lathe bed is formed by directly extending from the upper side of the base, the spindle box is integrally connected with the upper side close to the rear end of the lathe bed, the front support of the screw rod is integrally connected with the upper side close to the front end of the lathe bed, the rear support of the screw rod is integrally connected to a position between the spindle box on the lathe bed and the front support of the screw rod, a front support inner hole of the front support of the screw rod is coaxially with the rear support inner hole of the rear support of the screw rod, two sides of the front and rear supports of the screw rod are respectively provided with a guide rail formed by directly extending from the lathe bed, the two guide rails are parallel to each other and are also parallel to the axial leads of the front and rear support inner holes, and the axial leads of the front and rear support inner holes are also parallel to the axial lead of the spindle hole of the spindle box. The lathe bed structure has the advantages of being high in precision, good in rigidity, small in vibration and long in service life.
Description
Technical field
The utility model relates to a kind of machine tool structure, especially a kind of lathe bed structure of lathe.
Background technology
The existing body of lathe bed mainly is by main spindle box, lathe bed, base, bearing before the screw mandrel, the screw mandrel rear support, the assemblings such as guide rail of bearing both sides, screw mandrel front and back form, main spindle box, lathe bed, base, bearing before the screw mandrel, the screw mandrel rear support is normally by the difference casting, afterwards datum level and the mating surface philosophy of each casting foundry goods are carried out machining, by connection fixtures such as bolt and nuts lathe bed is connected on the base afterwards, main spindle box is connected to lathe bed one end, bearing before the screw mandrel, the screw mandrel rear support is connected to the lathe bed other end, and assembling forms structure of lathe bed.Adopt that several technical parameters are difficult to guarantee below the body of lathe bed that this mode makes: 1, the axiality of the bearing endoporus of the bearing endoporus of bearing, screw mandrel rear support before the screw mandrel; 2, the depth of parallelism of bearing axial line and screw mandrel front and back bearing two side rails before and after the screw mandrel; 3, the depth of parallelism of the spindle hole axis of bearing axial line and main spindle box before and after the screw mandrel.Even each part all meets the requirements after machining, but because the mating surface between bearing is processed respectively before and after the mating surface between mating surface, lathe bed and main spindle box between lathe bed and base, lathe bed and the screw mandrel, the positioning datum disunity also easily affects above-mentioned three important technological parameters because of tolerance build-up after the assembling.Adopt simultaneously each parts to assemble respectively to form the monoblock type body of lathe bed, the quality of structure of lathe bed also has substantial connection with assembly crewman's mounting technology level, very easily affects the precision of the body of lathe bed after the assembling because of human factor.
The utility model content
The purpose of this utility model provides that a kind of precision height, good rigidly, vibration are little, support integral structure of lathe bed before and after the main spindle box of long service life, lathe bed, base, screw mandrel.
The technical scheme that the utility model adopts for achieving the above object is: a kind of main spindle box, lathe bed, base, support integral structure of lathe bed before and after the screw mandrel, comprise main spindle box, lathe bed, base, bearing before the screw mandrel, the screw mandrel rear support, the lathe bed of this structure of lathe bed, base, bearing before the screw mandrel, the screw mandrel rear support is the integral type overall structure, lathe bed is directly extended to form by the upside of base, support integral is connected to the upside of the forward end of lathe bed before the screw mandrel, screw mandrel rear support integral type is connected to the rear end of the front bearing of lathe bed upper screw rod, bearing is provided with the front bearing endoporus that runs through the front bearing of screw mandrel before the screw mandrel, the screw mandrel rear support is provided with the rear support endoporus that runs through the screw mandrel rear support, front bearing endoporus is coaxial with the rear support endoporus, bearing and screw mandrel rear support both sides are respectively equipped with the guide rail that is directly extended to form by lathe bed before screw mandrel, two guide rails are parallel to each other, and two guide rails also respectively with front and back bearing endoporus axis parallel.
The further technical scheme that the utility model adopts for achieving the above object is: the main spindle box integral type is connected to lathe bed by the upside of rear end, bearing, screw mandrel rear support are the integral type overall structure before the main spindle box of this structure of lathe bed, lathe bed, base, the screw mandrel, screw mandrel rear support integral type is connected on the lathe bed position between the bearing before the main spindle box and screw mandrel, main spindle box is provided with the spindle hole that runs through main spindle box, and front and back bearing endoporus axial line also is parallel to each other with the spindle hole axial line of main spindle box.
The main spindle box of the utility model, lathe bed, base, the support integral structure of lathe bed is because main spindle box before and after the screw mandrel, lathe bed, base, bearing before the screw mandrel, the screw mandrel rear support is the integral type overall structure, bearing casts out together before and after the screw mandrel, improved rigidity, the axiality of front and back bearing endoporus, the depth of parallelism of bearing two side rails before and after front and back bearing endoporus axial line and the screw mandrel, the depth of parallelism of front and back bearing endoporus axial line and spindle hole axial line guarantees by machining respectively, the trouble of having avoided split type installation to adjust, and guarantee that by artificial adjustment the human factor that exists affects assembly precision, the axiality of front and back bearing endoporus, the depth of parallelism of bearing two side rails before and after front and back bearing endoporus axial line and the screw mandrel, front and back bearing endoporus axial line is all high a lot of than split type structure precision with the depth of parallelism of spindle hole axial line; Simultaneously, because bearing, screw mandrel rear support are that the integral type overall structure can effectively reduce the clamping times in the process before main spindle box, lathe bed, base, the screw mandrel, can effectively reduce because of tolerance build-up and affect structure of lathe bed overall precision after the assembling, the structure of lathe bed overall precision is not subject to assembly crewman's mounting technology level affects yet, therefore the utility model structure of lathe bed precision is high, and can reduce assembling man-hours requirement and shorten life cycle of the product, also reduce the cost that produces because of assembling; In addition, the formula overall structure because lathe bed, base are cast as one so that the guide rail on the lathe bed is not yielding, improves the stability of guide rail so that the structure of lathe bed integral rigidity is enhanced, the vibration of structure of lathe bed is also less, but the service life of Effective Raise structure of lathe bed.
Below in conjunction with drawings and Examples support integral structure of lathe bed before and after the utility model main spindle box, lathe bed, base, the screw mandrel is described further.
Description of drawings
Fig. 1 is the structural representation of support integral structure of lathe bed before and after the utility model main spindle box, lathe bed, base, the screw mandrel;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the right view of Fig. 1;
Fig. 4 is the left view of Fig. 1;
Fig. 5 is the A-A direction cutaway view of Fig. 2;
Fig. 6 is the B-B direction cutaway view of Fig. 2;
Fig. 7 is the C-C direction cutaway view of Fig. 2;
Fig. 8 is the D-D direction cutaway view of Fig. 2;
Fig. 9 is the G-G direction rotation cutaway view of Fig. 3;
Figure 10 is the structural representation of support integral structure of lathe bed the second embodiment before and after the utility model main spindle box, lathe bed, base, the screw mandrel.
Main element symbol description: bearing before bearing, 5-screw mandrel rear support, 6-guide rail, 7-spindle hole, 8-rear support endoporus, 9-front bearing endoporus, 11-base, 12-lathe bed, 13-screw mandrel rear support, the 14-screw mandrel before 1-base, 2-lathe bed, 3-main spindle box, the 4-screw mandrel.
The specific embodiment
Extremely shown in Figure 9 such as Fig. 1, support integral structure of lathe bed before and after the utility model main spindle box, lathe bed, base, the screw mandrel, comprise main spindle box 3, lathe bed 2, base 1, the front bearing 4 of screw mandrel, screw mandrel rear support 5, bearing 4, screw mandrel rear support 5 are the integral type overall structure before the lathe bed 2 of this structure of lathe bed, base 1, the screw mandrel.In the present embodiment main spindle box 3 also integral type be connected on the lathe bed 2, bearing 4, screw mandrel rear support 5 are the integral type overall structure before the main spindle box 3 of this structure of lathe bed, lathe bed 2, base 1, screw mandrel.
Described lathe bed 2 is directly extended to form by the upsides of base 1, with the base 1 formula member that is connected as a single entity.Main spindle box 3 integral types are connected to lathe bed 2 by the upside of rear end, and main spindle box 3 is provided with the spindle hole 7 that runs through main spindle box.Bearing 4 integral types are connected to the upside of lathe bed 2 forward ends before the screw mandrel, screw mandrel rear support 5 integral types are connected to front bearing 4 rear ends of lathe bed 2 upper screw rods, and screw mandrel rear support 5 is the position between the bearing 4 before main spindle box 3 and screw mandrel, bearing 4 is provided with the front bearing endoporus 9 that runs through the front bearing of screw mandrel before the screw mandrel, screw mandrel rear support 5 is provided with the rear support endoporus 8 that runs through the screw mandrel rear support, and front bearing endoporus 9 is coaxial with rear support endoporus 8.Bearing 4 and screw mandrel rear support 5 both sides are respectively equipped with the guide rail 6 that is directly extended to form by lathe bed 2 before screw mandrel, guide rail 6 is connected as a single entity with lathe bed 2, two guide rails 6 of bearing both sides are parallel to each other before and after the screw mandrel, and two guide rails 6 also respectively with front and back bearing endoporus 8 axis parallels, front and back bearing endoporus 8 axial lines also are parallel to each other with spindle hole 7 axial lines of main spindle box 3.
The support integral structure of lathe bed is by behind the casting before and after the utility model main spindle box, lathe bed, base, screw mandrel, and the spindle hole 7 of the front bearing endoporus 9 by bearing 4 before the machining processing screw mandrel, the rear support endoporus 8 of screw mandrel rear support 5, two guide rails 6, main spindle box 3 gets final product.The depth of parallelism of the depth of parallelism, front and back bearing endoporus axial line E and the spindle hole axial line F of bearing two side rails guarantees by machining respectively before and after front and back bearing endoporus 8 axialities, front and back bearing endoporus axial line E and the screw mandrel, the trouble of having avoided split type installation to adjust, and guarantee that by artificial adjustment the human factor that exists affects assembly precision.Above-mentioned coaxial and parallel as long as in the margin of tolerance, can think coaxial or parallel, and unrestricted be absolute coaxial or parallel.
As variation of the present utility model, main spindle box is not that integral type is connected on the lathe bed yet, but as shown in figure 10, structure of lathe bed only lathe bed 12, base 11, the front bearing 14 of screw mandrel, screw mandrel rear support 13 is the integral type overall structure, the main spindle box (not shown) is set in addition and by connector main spindle box is connected to lathe bed 12 rear end upsides, as long as the conversion of doing in scope of the present utility model all belongs to category of the present utility model.
Claims (2)
1. main spindle box, lathe bed, base, support integral structure of lathe bed before and after the screw mandrel, comprise main spindle box (3), lathe bed (2), base (1), bearing (4) before the screw mandrel, screw mandrel rear support (5), it is characterized in that, the lathe bed of this structure of lathe bed (2), base (1), bearing (4) before the screw mandrel, screw mandrel rear support (5) is the integral type overall structure, lathe bed (2) is directly extended to form by the upside of base (1), bearing (4) integral type is connected to the upside of the forward end of lathe bed (2) before the screw mandrel, screw mandrel rear support (5) integral type is connected to the rear end of the front bearing (4) of lathe bed (2) upper screw rod, bearing (4) is provided with the front bearing endoporus (9) that runs through the front bearing (4) of screw mandrel before the screw mandrel, screw mandrel rear support (5) is provided with the rear support endoporus (8) that runs through screw mandrel rear support (5), front bearing endoporus (9) is coaxial with rear support endoporus (8), bearing before screw mandrel (4) and screw mandrel rear support (5) both sides are respectively equipped with the guide rail (6) that is directly extended to form by lathe bed (2), two guide rails (6) are parallel to each other, and two guide rails (6) also respectively with front and back bearing endoporus (8) axis parallel.
2. main spindle box as claimed in claim 1, lathe bed, base, support integral structure of lathe bed before and after the screw mandrel, it is characterized in that, main spindle box (3) integral type is connected to lathe bed (2) by the upside of rear end, the main spindle box (3) of this body of lathe bed (2) structure, lathe bed (2), base (1), bearing (4) before the screw mandrel, screw mandrel rear support (5) is the integral type overall structure, screw mandrel rear support (5) integral type is connected to the position between the upper main spindle box (3) of lathe bed (2) and the front bearing (4) of screw mandrel, main spindle box (3) is provided with the spindle hole (7) that runs through main spindle box (3), and front and back bearing endoporus (8) axial line also is parallel to each other with spindle hole (7) axial line of main spindle box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220478268 CN202780495U (en) | 2012-09-19 | 2012-09-19 | Lathe bed structure integrating spindle box, lathe bed, base and front and rear supports of screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220478268 CN202780495U (en) | 2012-09-19 | 2012-09-19 | Lathe bed structure integrating spindle box, lathe bed, base and front and rear supports of screw rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202780495U true CN202780495U (en) | 2013-03-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220478268 Expired - Fee Related CN202780495U (en) | 2012-09-19 | 2012-09-19 | Lathe bed structure integrating spindle box, lathe bed, base and front and rear supports of screw rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202780495U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102837190A (en) * | 2012-09-19 | 2012-12-26 | 柳州市志宝机械有限公司 | Integral lathe body structure of headstock, lathe body, base and front support and rear support of lead screw |
-
2012
- 2012-09-19 CN CN 201220478268 patent/CN202780495U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102837190A (en) * | 2012-09-19 | 2012-12-26 | 柳州市志宝机械有限公司 | Integral lathe body structure of headstock, lathe body, base and front support and rear support of lead screw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20160919 |